<template>
  <div>
    <nav-bar>
      <div slot="left" class="back" @click="backClick">
        <img src="../../../assets/img/common/back.svg" alt="">
      </div>
      <div slot="center" class="title">
        <div v-for="(item, index) in title" 
        :key="index" 
        class="title-item"
        :class="{active:index==currentIndex}"
        @click='titleClick(index)'>
          {{ item }}
        </div>
      </div>
    </nav-bar>
  </div>
</template>

<script>
import NavBar from "../../../components/common/navbar/NavBar.vue";

export default {
  components: { NavBar },
  name: "Detailtabbar",

  data() {
    return {
      title: ["商品", "参数", "评论", "推荐"],
      currentIndex: 0,
    };
  },

  mounted() {},

  methods: {
    titleClick(index){
      this.currentIndex=index
      // console.log(this.currentIndex);
      this.$emit('titleClick',index);
    },
    backClick(){
      this.$router.back()
      // this.$router.push('/home')
    }
  },
};
</script>

<style lang="css" scoped>
.title {
  display: flex;
  font-size: 12px;
}
.title-item {
  flex: 1;
}
.active{
  color: var(--color-high-text);
}
.back{
  margin-top: 5px;
}
</style>